Jun 10, 2009 – River Douro, Portugal

River Douro, Portugal — Michele Falzone/Photographer’s Choice/Getty Images

• This city is famous for its wine, its cuisine, its architecture, and its work ethic.

  See what the fuss is about

• This is the nation that brings the world the wonder of Port wine.

  Watch and learn more

• The world’s oldest military alliance was first formalized here in 1387.

  What else has happened in this city?

• Some call this place the City of Bridges.

  Where is it?